The secret to promote the growth of semi-smooth tongue
First, the scientific feeding feed: semi-slip tongue rely mainly on the sense of smell, taste and sidelines to feed, visual in the process of feeding is not a role. 1. When the seed size is less than 15cm, it is mainly fed with high-quality sink feed. Its high protein content, complete nutrients, body length growth is significantly faster than other feeds, and easy to maintain water quality and reduce the occurrence of various diseases. 2. Large-sized fingerlings are usually fed with soft pellets during the growing period. However, a certain proportion of shrimp, shellfish, and sand cocoons must be added to the premix to increase feed intake, increase food intake and feed rate, and reduce feed intake. Waste, the size of the particles can be adjusted in time according to seed specifications. 3. Chilled feed is usually fed only before going to market, which helps to improve body color, meat quality and taste, making its appearance and nutritional value almost the same as wild half-smooth tongue. Second, a reasonable control of water quality: semi-slip tongue licking in the 22 to 29 degrees of salinity can normally grow, but the salinity of 26 is the fastest growth. The salinity of some seawater wells tends to be low, and attention should be paid to the introduction of natural seawater for regulation. Third, the breeding density: It is recommended that stocking 8 to 10 cm large size seed, the density of 100 per square meter, with the increase in specifications, breeding density to be adjusted, 60 cm per square meter length of 60, 30 cm when 20 Tail, 15 at 40 cm. Should pay attention to regular cleaning at the end of the removal of fecal residual bait and disability fry, but the inverted pool should not be too frequent separation, 15 to 20 days during the seedlings pooling can be sorted once, adult fish generally extended to 25 to 30 days. Fourth, the optimum temperature: semi-smooth tongue temperature range, the survival temperature of 4 ~ 32 °C, but the optimum temperature for the growth of 18 ~ 26 °C. Within this range, the higher the temperature, the faster the growth. If the water temperature continues to maintain above 22°C, after 1 year of the semi-smooth tongue licking, the female body weight is generally 650 grams, and the male is generally 250 grams, and the proportion of female fish is increased, and the feed conversion rate is also much higher than that at low water temperatures. Mackerel Whole Round,Pacific Mackerel,Frozen Fish Mackerel,Mackerel Fish Market Mackerel Fish Zhoushan City Shuangying Aquatic Products Co., Ltd.  , https://www.shuangying-aquatic.com